The invention relates to processes for preparing compounds having the formula,
and crystalline forms thereof, wherein Ar is aryl or heteroaryl, L is an optional alkylene linker, and R
2
, R
3
, R
4
, and R
5
, are as defined in the specification herein, which compounds are useful as kinase inhibitors, in particular, inhibitors of protein tyrosine kinase and p38 kinase.
本发明涉及制备具有下列公式和其晶体形式的化合物的方法,其中Ar为芳基或杂环芳基,L为可选的烷基连接器,R2、R3、R4和R5如本说明书中所定义,这些化合物可用作激酶
抑制剂,特别是
蛋白酪氨酸激酶和p38激酶的
抑制剂。